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Old 11-13-2012, 05:22 PM   #31
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I'll handle the hardware drivers if you handle the web pages...

I would like to work in Fedora because all my other machines are Fedora and I know it well.

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Old 11-13-2012, 05:41 PM   #32
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Shouldn't be that hard to get something together. If we write it properly could scale well to mobile devices too removing the need for a app or second UI for tablets and phones. I currently have Raspbian on my pi (Working on a project ), but fedora works for me.

I think a good way to interface with the devices is via a REST api. Then you can either run the front end straight on the device, or on a dedicated server. The front end can then manage 1 to X number of devices. Properly written the front end web services shouldn't care where they run and the device is either exposing just the REST api via http or exposing both the REST api and the front end.

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Old 11-13-2012, 09:15 PM   #33
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It all sounds good.

I have my Pi and I'm working on the brewstand its going on right now. My one wire device should be here in a week or so and I want to brew a beer before Christmas.

Where do we go from here ?

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Old 11-13-2012, 10:30 PM   #34
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Quote:
Originally Posted by brewman !
I'll handle the hardware drivers if you handle the web pages...

I would like to work in Fedora because all my other machines are Fedora and I know it well.
There's a Fedora Remix Image available for the RPi
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Old 11-13-2012, 10:34 PM   #35
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One of the threads I mentioned above uses fuse and treats the 1-Wire devices as just another device, making it very easy to access the 1-Wire devices. I did that setup first

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Old 11-13-2012, 10:36 PM   #36
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One of the threads I mentioned above uses fuse and treats the 1-Wire devices as just another device, making it very easy to access the 1-Wire devices. I did that setup first
Stupid phone!!

Anyway, I did that setup first, and it worked well enough with a really old laptop, but had a fairly slow response time.
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Old 11-13-2012, 10:39 PM   #37
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Stupid phone!!

Anyway, I did that setup first, and it worked well enough with a really old laptop, but had a fairly slow response time.
Will it handle multiple devices on the bus ? How long does it tie up the system when its communicating with devices, say getting temps from 10 or so sensors ?
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Old 11-13-2012, 10:39 PM   #38
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There's a Fedora Remix Image available for the RPi
http://scotland.proximity.on.ca/rasp...ses/v5/latest/

http://zenit.senecac.on.ca/wiki/inde...i_Fedora_Remix

http://www.raspberrypi.org/phpBB3/vi...p?f=51&t=21997
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Old 11-13-2012, 10:44 PM   #39
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I posted and I think it vaporised. Can't see it so posting again:

I could support accelerated development by supplying some funds to this.
I could pay for 'hard' costs like test RPIs, test chips for the one wire solution, pcb development, website/forum/wiki for collaboration.
It would be an 'open' project.
Let me know you're interested.

Cheers,
Yorg

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Old 11-13-2012, 10:50 PM   #40
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I'm not looking for support, but thanks anyway.

I would have done this on my own anyway. I'm happy to do it in a group instead of by myself.

Just to be clear, I am wanting to build a brewstand controller, not a fermentation chamber controller. I'm not against fermentation controllers, I'm just focused on controlling the mash and boil(s) right now.

BTW, I am hoping that this doesn't require a PCB, other than a simple RPI breakout board from the connector to some terminal screws, which is easily made or bought. To me, that is the beauty of using the one wire temp sensors and a simple relay board.

As soon as you need PCBs, it makes things a lot more difficult for the DIYer, at least for me, anyway.

Here is the relay board I bought.
http://www.ebay.com/itm/New-5V-8-Cha...E:L:OC:CA:3160

It will control my burners and pumps.

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